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Model/Number A5 (FA5121) MONT BLANC-E12A MONT BLANC-E12 A3 (E11K) A1
General Specifications
Color Available Titanium / Black Titanium colour Black Black / Silver Silver
Dimensions 124 mm×65.5 mm×14.5 mm 124 mm×65.5 mm×14.5 mm 124 mm×65.5 mm×14.5 mm 91.2 mm×56 mm×13 mm 42mm x 40.7mm x 9.4mm
Weight 168 g (incl. battery) 166 g (incl. battery) 159 g (incl. battery) 92 g (incl. battery) 20g (incl. belt clip)
Power Indicator Yes Yes Yes Yes Yes
Audio input 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack
Headphone Output 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack 3.5 mm stereo jack
Drive Ability 16~300 Ω(recommend) 16~300 Ω (recommend) 16~300 Ω(recommend) 16~150 Ω(recommend) 16~150 Ω(recommend)
Volume Control Alps Potentiometer Alps Potentiometer Alps Potentiometer TOCOS Potentiometer Digital volume control
BASS Boost 1 Level 1 Level 1 Level 1 Level 2 Levels
GAIN Control 2 Levels 2 Levels 2 Levels 2 Levels NO
Crossfeed NO NO Yes NO NO
Supply Votage Adjustable NO NO NO NO NO
Audio Performance
Output Power >800 mW(32Ω/THD<1%)  
≥150mW(300Ω/THD<1%)
>420 mW (16 Ω/THD+N<1%) >880 mW (32 Ω/THD+N<1%) >450 mW (16 Ω/THD+N<1%) >100 mW (16 Ω/THD+N<1%)
Frequency Response 10 Hz~90 kHz(-3dB,Input: 220mV) 10 Hz~90 kHz(-3dB,Input: 500mV 10 Hz~90 kHz (-3dB,Input: 500mV) 10 Hz~90 kHz (-3dB,Input: 300mV) 20 Hz~20 kHz
SNR ≥115dB (A-weighted) >115 dB(A-weighted) >110 dB(A-weighted) >108 dB ≥100dB (A-weighted)
Output Impedance <0.3 Ω <0.3 Ω <0.3 Ω <0.2 Ω <0.2 Ω
Crosstalk ≥ 75 dB (1 kHz) >85 dB (1 kHz) >65 dB (1 kHz) >72 dB (1 kHz) ≥65 dB(1 kHz)
THD+N <0.002% (1 kHz) <0.003% (1 kHz) <0.003% (1 kHz) <0.004% (1 kHz) <0.05% (1 kHz
Max. BASS Boost >5 dB (BASS ON) >4 dB (BASS ON) >5 dB (BASS ON) >5 dB (BASS ON Bass1: 2.7dB bass boost Bass2: 5.2dB bass boost Bass3: 5.2dB bass reduction
Max. Gain ≥13 dB >16 dB >16 dB >11 dB 3.65 dB
Peak Output Voltage 14.96 Vp-p 10.3 Vp-p >15 Vp-p >8.67 Vp-p 4.52 Vp-p
Max. Output Current 250 mA(For reference) >113.3 mA >170 mA >92.6 mA 50 mA
Input Overload 250 mA(For reference) >8 Vrms >8 Vrms / 1.35Vrms
Power and Battery
Power/Charger recommend DC5V 2A< recommend DC 5V 2A recommend DC5V 2A recommend DC5V 1A

recommend DC5V 0.8~1A

Charing Indicator Yes Yes Yes Yes Yes
Low Battery Alarm Yes Yes Yes Yes No
Smart Charge Yes Yes Yes Yes No
Replaceable Battery No No No No No
Capacity 880 mAh 1500 mAh 880 mAh 1400 mAh 160 mAh
Battery Life ≥13 h >20 h >12 h >16 h >13 h
Charge Time <3 h <3 h <2 h <4 h ≤90 mins
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